/*
 * Copyright 2013-2018 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.cloud.nacos.discovery;

import com.alibaba.cloud.nacos.ConditionalOnNacosDiscoveryEnabled;
import com.alibaba.cloud.nacos.NacosDiscoveryProperties;
import com.alibaba.cloud.nacos.NacosServiceManager;

import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.cloud.client.ConditionalOnDiscoveryEnabled;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * Nacos启动时的自动配置之一
 **/
@Configuration(proxyBeanMethods = false)
@ConditionalOnDiscoveryEnabled
@ConditionalOnNacosDiscoveryEnabled
public class NacosDiscoveryAutoConfiguration {
    /**
     * 将Nacos配置类制作成Bean注入容器
     */
    @Bean
    @ConditionalOnMissingBean
    public NacosDiscoveryProperties nacosProperties() {
        return new NacosDiscoveryProperties();
    }

    /**
     * 将NacosServiceDiscovery注入容器
     * @param discoveryProperties DiscoveryProperties的Bean
     * @param nacosServiceManager NacosServiceManager的Bean，在NacosServiceAutoConfiguration中被注入
     * @return
     */
    @Bean
    @ConditionalOnMissingBean
    public NacosServiceDiscovery nacosServiceDiscovery(NacosDiscoveryProperties discoveryProperties, NacosServiceManager nacosServiceManager) {
        return new NacosServiceDiscovery(discoveryProperties, nacosServiceManager);
    }

}
